Re: [PATCH] win-usb-dev: Set UsbDk backend on libusb 1.0.22

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Hi,
On Mon, 2018-08-13 at 17:25 +0200, Christophe Fergeau wrote:
> Hey,
> 
> On Mon, Aug 13, 2018 at 03:45:06PM +0200, Jorge Olmos wrote:
> > This patch configures libusb in the context used in win-usb-dev,
> > with
> > the same backend as the context initialized in usb-device-manager.
> > 
> > Otherwise spice_usb_device_manager_libdev_match returns false for
> > all
> > devices, and no usb device is offered to end user for redirection.
> 
> Upstream git already has this patch:
> https://gitlab.freedesktop.org/spice/spice-gtk/commit/3e23fff91ea1542
> 1a404fb8fc0cb5d86bfbeaa95
> 
> Christophe

That is not the same patch.

There are two calls to libusb_init() (in windows), each one with its
own libusb_context, and each context has to be configured separately
with a call to "libusb_set_option(context, LIBUSB_OPTION_USE_USBDK);"

- 3e23fff9 configures the context used in usb-device-manager.c
- The patch I sent configures the context used in win-usb-dev.c


> > ---
> >  src/win-usb-dev.c | 5 +++++
> >  1 file changed, 5 insertions(+)
> > 
> > diff --git a/src/win-usb-dev.c b/src/win-usb-dev.c
> > index 7dc02ac..9a130a3 100644
> > --- a/src/win-usb-dev.c
> > +++ b/src/win-usb-dev.c
> > @@ -196,6 +196,11 @@ g_udev_client_initable_init(GInitable
> > *initable, GCancellable *cancellable,
> >                      "Error initializing USB support: %s [%i]",
> > errstr, rc);
> >          return FALSE;
> >      }
> > +#ifdef G_OS_WIN32
> > +#if LIBUSB_API_VERSION >= 0x01000106
> > +    libusb_set_option(priv->ctx, LIBUSB_OPTION_USE_USBDK);
> > +#endif
> > +#endif
> >  
> >      /* get initial device list */
> >      if (g_udev_client_list_devices(self, &priv->udev_list, err,
> > __FUNCTION__) < 0) {
> > 
> > --
> > 
> > _______________________________________________
> > Spice-devel mailing list
> > Spice-devel@xxxxxxxxxxxxxxxxxxxxx
> > https://lists.freedesktop.org/mailman/listinfo/spice-devel
-- 


Jorge Olmos
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